tE3
LG · DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam
Gas models only — does not apply to DLEX3900W electric model. Gas valve area thermistor out of range. Check wiring and test resistance.
Error tE3 on the LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam means: Gas Valve Thermistor Error. The top-ranked community fix is “Test and Replace Gas Valve Thermistor Sensor” (hard difficulty, ~60 min, DIY cost: $25-$40). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · dryer
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many dryer repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $150-$220.
The LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam has 8 other known error codes:
Error code tE3 also appears on 1 other LG model:
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